What is the angle measure in radians for a point on the unit circle that lies on the terminal side of a polar coordinate (r, θ) where r = 1 and θ = π/3?
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What is the sine of an angle if the opposite side measures 8 units and the hypotenuse measures 10 units?
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Math question: "In the range of f(x) = tan x, find the exact value of x for which f(x) equals 2/3, where x is measured in radians.